Castro weather in January
Chile

January in Castro: nice, a little rain, with clean air — one of the best months to visit.
#2 of 12 months in Castro · #180 of 1383 destinations to visit in January · comfort 89/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Castro in January
No notes yet. Open Castro on the map to add the first one.
Castro climate normals — January
| Daytime high | 19°C / 66°F | 😎 nice |
|---|---|---|
| Nighttime low | 11°C / 51°F | |
| Sea temperature | 15°C / 59°F | 🥶 cold sea |
| Rainfall | 56 mm / 2.2 in | 🌦 some rain |
| Rainy days | 9 days | |
| Humidity | 76% | 💦 very humid |
| Dew point | 10°C / 51°F | |
| Sunshine | 11.5 h/day | |
| Daylight | 14.9 h | |
| Wind | 14 km/h / 9 mph | |
| Air quality (US AQI) | 19 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Castro in January
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Peak crowdsChiloé summer season, Summer holidays in Chile, school holidays in 3 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Castro's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Best weatherCastro's weather peaks December–February.
Best weatherFair weatherToughest weather
What's on in Castro in January
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Chiloé summer season
1 Jan – 28 FebSummer season opensCrowdedBook earlyJanuary and February are when the boat trips, the island's small museums and the palafito hotels are all running, and all full. It is also the only stretch of the year with more dry days than wet.
Nearby, and something's on
Within 300 km of Castro — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Castro?
Castro in January — FAQ
- Is January a good time to visit Castro?
- January in Castro: nice, a little rain, with clean air — one of the best months to visit. It ranks #2 of 12 months for Castro on SeasonMap's comfort score (89/100).
- What is the weather like in Castro in January?
- In January, Castro averages a daily high of 19°C and a low of 10.5°C, with about 55.8 mm of rain over roughly 9.4 rainy days.
- What is the air quality in Castro in January?
- Castro has a mean US Air Quality Index of about 19 in January.
Other months in Castro
Compare Castro in January
Warmer or cooler than Castro in January
Similar destinations in South America — January
Within 300 km: San Carlos de Bariloche's Lupins on the roadsides around 15 Nov – 10 Jan.